/*
 * Copyright 2021 spring-boot-extension the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *       https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */

package com.livk.export.controller;

import com.livk.export.service.AuthorsService;
import jakarta.servlet.http.HttpServletResponse;
import lombok.RequiredArgsConstructor;
import org.springframework.http.HttpEntity;
import org.springframework.http.HttpHeaders;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;

import java.io.IOException;
import java.io.PrintWriter;

/**
 * @author livk
 */
@RestController
@RequiredArgsConstructor
public class AuthorsController {

	private final AuthorsService authorsService;

	@GetMapping("download")
	public HttpEntity<Void> download(HttpServletResponse response) throws IOException {
		String fileName = System.currentTimeMillis() + ".csv";
		response.addHeader(HttpHeaders.CONTENT_TYPE, "application/csv");
		response.addHeader(HttpHeaders.CONTENT_DISPOSITION, "attachment; filename=" + fileName);
		response.setCharacterEncoding("UTF-8");
		try (PrintWriter writer = response.getWriter()) {
			authorsService.download(writer);
		}
		return ResponseEntity.ok().build();
	}

}
